Table 15.Mean surface temperatures (Ts), Bowen ratios (β), net radiation (Rn), net water advected energy (Qv), energy transferred to lakebed (Qb), net change in energy stored in the lake (Qx), and energy-budget evaporation rates (Eeb) for biweekly budget periods in 2008, 2009, and 2010.
[Abbreviation: MDL, midlake site; MDN, midlake north site; mm d -1 , millimeters per day; W m -2 , watts per square meter; °C, degrees Celsius]
| Year |
Budget
period
dates |
Budget
period
number |
Ts
(MDL)
(°C) |
Ts
(MDN) (°C) |
β
(MDL) |
β
(MDN) |
Rn
(W m-2) |
Qv
(W m-2) |
Qb
(W m-2) |
Qx
(W m-2) |
Eeb |
(MDL)
(mm d-1) |
(MDN)
(mm d-1) |
| 2008 |
07-24–08-06 |
7 |
21.8 |
|
0.102 |
|
211.73 |
-8.64 |
4.07 |
1.21 |
6.2 |
|
| 08-07–08-20 |
8 |
22.0 |
0.072 |
174.35 |
-9.86 |
2.57 |
-19.27 |
5.8 |
| 08-21–09-03 |
9 |
18.9 |
0.159 |
158.64 |
-9.30 |
0.92 |
-31.28 |
5.3 |
| 09-04–09-17 |
10 |
18.2 |
0.024 |
132.33 |
-6.49 |
-0.79 |
2.87 |
4.1 |
| 09-18–10-01 |
11 |
16.2 |
0.101 |
92.47 |
-4.31 |
-2.44 |
-18.00 |
3.4 |
| 10-02–10-15 |
12 |
11.4 |
0.296 |
48.74 |
-1.36 |
-3.96 |
-51.83 |
2.8 |
| |
| 2009 |
06-12–06-25 |
17 |
18.7 |
18.5 |
0.214 |
0.221 |
220.43 |
-2.11 |
6.78 |
8.99 |
5.7 |
5.7 |
| 06-02 –07-09 |
18 |
21.0 |
21.5 |
0.098 |
0.120 |
223.22 |
-11.52 |
6.17 |
2.41 |
6.3 |
6.2 |
| 07-10–07-23 |
19 |
22.0 |
22.2 |
0.070 |
0.092 |
229.65 |
-11.42 |
5.20 |
19.00 |
6.2 |
6.1 |
| 07-24–08-06 |
20 |
23.6 |
24.5 |
0.060 |
0.098 |
179.06 |
-13.01 |
3.94 |
-37.24 |
6.4 |
6.2 |
| 08-07–08-20 |
21 |
19.8 |
20.3 |
0.110 |
0.139 |
192.02 |
-8.99 |
2.44 |
-0.09 |
5.6 |
5.4 |
| 08-21–09-03 |
22 |
20.4 |
20.5 |
0.065 |
0.100 |
158.84 |
-11.65 |
0.81 |
-17.46 |
5.3 |
5.1 |
| 09-04–09-17 |
23 |
18.2 |
18.9 |
0.108 |
0.155 |
135.12 |
-7.19 |
-0.87 |
-16.14 |
4.5 |
4.3 |
| 09-18–10-01 |
24 |
17.1 |
17.5 |
0.144 |
0.171 |
98.92 |
-6.47 |
-2.50 |
-34.35 |
3.9 |
3.8 |
| |
| 2010 |
05-29–06-11 |
29 |
14.0 |
13.9 |
0.187 |
0.193 |
189.62 |
4.32 |
6.82 |
27.82 |
4.6 |
4.6 |
| 06-12–06-25 |
30 |
17.9 |
16.8 |
0.230 |
0.192 |
233.84 |
1.48 |
6.82 |
31.70 |
5.5 |
5.7 |
| 06-26–07-09 |
31 |
19.2 |
20.0 |
0.111 |
0.138 |
234.69 |
-3.70 |
6.43 |
12.86 |
6.5 |
6.4 |
| 07-10–07-23 |
32 |
21.8 |
22.6 |
0.046 |
0.075 |
231.08 |
-5.92 |
5.66 |
5.24 |
7.0 |
6.8 |
| 07-24–08-06 |
33 |
22.9 |
23.1 |
0.084 |
0.109 |
197.11 |
-4.79 |
4.57 |
-9.81 |
6.2 |
6.1 |
| 08-07–08-20 |
34 |
22.4 |
22.3 |
0.096 |
0.111 |
188.66 |
-7.61 |
3.21 |
-13.62 |
6.0 |
5.9 |
| 08-21–09-03 |
35 |
17.0 |
19.2 |
0.061 |
0.181 |
158.97 |
-6.47 |
1.67 |
-26.14 |
5.7 |
5.2 |
| 09-04–09-17 |
36 |
15.0 |
17.1 |
0.025 |
0.194 |
141.93 |
-4.01 |
0.03 |
-14.46 |
5.1 |
4.4 |
| 09-18–10-01 |
37 |
16.6 |
16.6 |
0.165 |
0.219 |
112.48 |
-0.95 |
-1.61 |
0.58 |
3.3 |
3.2 |
|
First posted March 4, 2013
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U.S. Department of the Interior |
U.S. Geological Survey